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Type: Artigo de periódico
Title: Microstructural Modifications In Macroporous Oxides Prepared Via Latex Templating: Synthesis And Thermal Stability Of Porous Microstructure
Author: Verissimo C.
Alves O.L.
Abstract: Titanium and zirconium oxides with interconnected macropores presenting well-defined pore sizes and controlled three-dimensional ordering were prepared using a latex templating method. Polystyrene spheres were used as pore templates, whereas metal alkoxides were used as oxide precursors. The final thermal treatment at different temperatures showed macroporous microstructure stabilities up to 600°C. At higher temperatures, a collapse of the macroporous microstructure and sintering were observed, as well as phase transformations in the oxides structures during the calcination process, as shown by Raman spectroscopy and X-ray diffraction techniques. © 2006 The American Ceramic Society.
Rights: fechado
Identifier DOI: 10.1111/j.1551-2916.2006.00996.x
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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